20181281530

素因数分解:

$2^1\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{1371943}}^1$

素因数の和:1373421

約数の個数: 16

約数和(自身を含む): 36351028224

約数和(自身を除く): 16169746694

約数列:

[1, 2, 5, 10, 1471, 2942, 7355, 14710, 1371943, 2743886, 6859715, 13719430, 2018128153, 4036256306, 10090640765, 20181281530]

約数ペア:

[(1, 20181281530), (2, 10090640765), (5, 4036256306), (10, 2018128153), (1471, 13719430), (2942, 6859715), (7355, 2743886), (14710, 1371943)]